/* ==========================================================================
   Gate.com 首页克隆 —— 新闻 / App 下载 / 页脚 / 响应式
   ========================================================================== */

/* ---------- 新闻 ---------- */
.g-news { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.g-news__card {
  border-radius: var(--radius-l); border: 1px solid var(--border);
  background: var(--card); overflow: hidden; display: flex; flex-direction: column;
  transition: transform .2s, border-color .2s;
}
.g-news__card:hover { transform: translateY(-4px); border-color: var(--border-strong); }
.g-news__cover { height: 148px; position: relative; overflow: hidden; }
.g-news__cover--1 { background: linear-gradient(135deg, #0055ff, #00359e); }
.g-news__cover--2 { background: linear-gradient(135deg, #00c896, #046b57); }
.g-news__cover--3 { background: linear-gradient(135deg, #6f3bff, #2a1a6b); }
.g-news__cover::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(60% 80% at 80% 10%, rgba(255, 255, 255, .22), transparent 60%),
    repeating-linear-gradient(45deg, rgba(255, 255, 255, .05) 0 10px, transparent 10px 20px);
}
.g-news__tag {
  position: absolute; left: 14px; top: 14px; z-index: 1; font-size: 11px; font-weight: 600;
  padding: 3px 9px; border-radius: 20px; background: rgba(0, 0, 0, .38); color: #fff;
}
.g-news__body { padding: 18px; flex: 1; display: flex; flex-direction: column; }
.g-news__body h3 { margin: 0 0 8px; font-size: 15.5px; line-height: 1.45; }
.g-news__body p { margin: 0 0 14px; font-size: 13px; color: var(--text-3); flex: 1; }
.g-news__meta { font-size: 12px; color: var(--text-3); display: flex; gap: 12px; }

/* ---------- App 下载 ---------- */
.g-section--app { background: var(--bg-soft); border-top: 1px solid var(--border); }
.g-app { display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.g-app__stores { display: flex; gap: 12px; margin-top: 22px; flex-wrap: wrap; }
.g-store {
  display: flex; align-items: center; gap: 10px; padding: 10px 18px;
  border-radius: 10px; background: var(--card); border: 1px solid var(--border);
  color: var(--text); transition: border-color .18s, transform .16s;
}
.g-store:hover { border-color: var(--brand); transform: translateY(-2px); }
.g-store span { display: flex; flex-direction: column; line-height: 1.25; text-align: left; }
.g-store small { font-size: 11px; color: var(--text-3); }
.g-store b { font-size: 13.5px; font-weight: 600; }
.g-app__note { margin: 14px 0 0; font-size: 13px; color: var(--text-3); }
.g-app__note a { color: var(--brand); font-weight: 600; }
.g-qr { position: relative; }
.g-app__qr { display: flex; flex-direction: column; align-items: center; gap: 10px; font-size: 12.5px; color: var(--text-3); }
.g-qr { width: 180px; height: 180px; border-radius: 12px; background: #fff; padding: 10px; box-shadow: var(--shadow); }
.g-qr svg { width: 100%; height: 100%; display: block; }

/* ---------- 页脚 ---------- */
.g-footer { border-top: 1px solid var(--border); padding: 56px 0 32px; background: var(--bg-soft); }
.g-footer__top { display: grid; grid-template-columns: 260px 1fr; gap: 40px; }
.g-footer__brand img { height: 24px; width: auto; margin-bottom: 14px; }
.g-footer__brand p { margin: 0 0 16px; font-size: 12.5px; color: var(--text-3); max-width: 240px; }
.g-footer__social { display: flex; gap: 8px; }
.g-footer__social a {
  width: 32px; height: 32px; border-radius: 8px; display: inline-flex;
  align-items: center; justify-content: center; color: var(--text-3);
  border: 1px solid var(--border); background: var(--card); transition: color .16s, border-color .16s;
}
.g-footer__social a:hover { color: var(--brand); border-color: var(--brand); }
.g-footer__cols { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; }
.g-footer__col h4 { margin: 0 0 12px; font-size: 13.5px; font-weight: 700; }
.g-footer__col a { display: block; padding: 4px 0; font-size: 12.5px; color: var(--text-3); }
.g-footer__col a:hover { color: var(--brand); }
.g-footer__bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid var(--border); }
.g-footer__copy { margin: 0 0 8px; font-size: 12.5px; color: var(--text-2); }
.g-footer__risk { margin: 0; font-size: 11.5px; color: var(--text-3); line-height: 1.7; max-width: 900px; }

/* ---------- 响应式 ---------- */
@media (max-width: 1180px) {
  .g-hero__title { font-size: 42px; }
  .g-products { grid-template-columns: repeat(3, 1fr); }
  .g-security { grid-template-columns: repeat(2, 1fr); }
  .g-footer__cols { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 980px) {
  .g-nav { display: none; }
  .g-burger { display: inline-flex; }
  .g-search input { width: 140px; }
  .g-hero__inner { grid-template-columns: 1fr; }
  .g-hero__visual { height: 320px; order: -1; }
  .g-hero__title { font-size: 36px; }
  .g-market { grid-template-columns: 1fr; }
  .g-earn { grid-template-columns: 1fr; }
  .g-news { grid-template-columns: 1fr 1fr; }
  .g-footer__top { grid-template-columns: 1fr; }
  .g-section__head { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 720px) {
  .g-container { padding: 0 16px; }
  .g-topbar { display: none; }
  .g-btn--ghost { display: none; }
  .g-search { display: none; }
  .g-hero { padding: 40px 0 56px; }
  .g-hero__title { font-size: 30px; }
  .g-hero__visual { height: 260px; }
  .g-orb { width: 52px; height: 52px; }
  .g-orb img { width: 30px; height: 30px; }
  .g-orb--1 { right: 90px; }
  .g-orb--2 { right: 20px; }
  .g-orb--3 { right: 110px; }
  .g-orb--4 { right: 30px; }
  .g-orb--5 { display: none; }
  .g-hero__card { width: 210px; bottom: 0; }
  .g-stats__grid { grid-template-columns: repeat(2, 1fr); }
  .g-stat { border-bottom: 1px solid var(--border); }
  .g-stat:nth-child(2n) { border-right: none; }
  .g-section { padding: 46px 0; }
  .g-section__title { font-size: 24px; }
  .g-products, .g-security, .g-news, .g-earn__cards { grid-template-columns: 1fr 1fr; }
  .g-footer__cols { grid-template-columns: 1fr 1fr; }
  .g-app { flex-direction: column; align-items: flex-start; }
  .g-market__table thead th:nth-child(3), .g-market__table td:nth-child(3) { display: none; }
  .g-market__table thead th:last-child, .g-market__table td:last-child { display: none; }
}

@media (max-width: 480px) {
  .g-products, .g-security, .g-news, .g-earn__cards, .g-footer__cols { grid-template-columns: 1fr; }
  .g-stats__grid { grid-template-columns: 1fr; }
  .g-stat { border-right: none; }
}

.g-subnav { display: flex; flex-wrap: wrap; gap: 20px; margin-top: 16px; padding-top: 18px; border-top: 1px solid var(--border); font-size: 13.5px; }
.g-subnav a { color: var(--text-2); text-decoration: none; }
.g-subnav a:hover { color: var(--brand); }